Louroe AP-4TB Four Zone Non-alarming Audio Monitoring Base Station with Listen and Talkback

  • MPN: AP-4TB (LE-322)
  • JMAC ID: 200234457
$1,349.00
JMAC_ID:
200234457
df_manual_boost:
1.75
Model AP-4TB is a four zone non-alarming audio monitoring base station with listen and talkback. As a system (with Louroe speaker/microphones), it provides live audio monitoring from four zones, one at a time, with a built-in 3" speaker and a built-in microphone for talkback to the remote area. Zone selection is by push button. Model AP-4TB is designed to interface with a VCR or DVR. Special filtering enhances the sound quality of audio during playback. Distance between AP-4TB and speaker/microphones can be up to 1,000'. Model AP-4TB is a desk top model, or can be equipped for[rm1935] 19" rack mounting.

UPC: 785583003227
Also known as: LO-AP4TB, AP4TBLE322

Technical Specifications:
  • Weight: 8.5 lbs (3.9 kg)
  • Power input: 120Vdc, 60Hz
  • Headphone impedance: 8 to 600
  • Audio frequency response (enhanced): -20dB @200Hz to +5dB @3kHz
  • Audio frequency response: 100 Hz to 10 kHz
  • Audio input impedance: 10k
  • Audio line output impedance: 600W or higher
  • Talkback power output: 1.5W @70V line
  • Monitoring power output: 1.5W @8
  • Input sensivity (talk-back microphone): -45dB
  • Input sensitivity (from remote mic): 0.78Vrms


For more information about the Louroe Electronics AP-4TB (LE-322), please contact us.
  • Built-in 3" speaker for monitoring both live audio and playback audio
  • Desktop model: Kit available for 19" rack mounting. Request RM-1935 (3 1/2" H)
  • Built-in filter for improving playback from 12/24 hour time-lapse recorders
  • Microphone output jack for each zone for connection to DVR with multiple audio inputs
  • Built-in microphone for talkback to the remote speaker
  • 3.5mm headphone jack on front panel
  • Contains internal power supply for direct connection to 120 Vdc source
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